不会啊，大侠帮忙啊，同一平面上两个三角形相交部分面积这个编程怎么实现啊#pragma comment(lib,user32)#p
不会啊，大侠帮忙啊，同一平面上两个三角形相交部分面积
这个编程怎么实现啊
#pragma comment(lib,"user32")
#pragma comment(lib,"gdi32")
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <windows.h>
#include <conio.h>
#include <time.h>
HDC hdc;
HWND WINAPI GetConsoleWindow();
void HideTheCursor() {
CONSOLE_CURSOR_INFO cciCursor;
HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
if(GetConsoleCursorInfo(hStdOut, &cciCursor)) {
cciCursor.bVisible = FALSE;
SetConsoleCursorInfo(hStdOut, &cciCursor);
}
}
void ShowTheCursor() {
CONSOLE_CURSOR_INFO cciCursor;
HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
if(GetConsoleCursorInfo(hStdOut, &cciCursor)) {
cciCursor.bVisible = TRUE;
SetConsoleCursorInfo(hStdOut, &cciCursor);
}
}
void Area_of_intersected_triangle() {
int n,k;
HBRUSH hbrush;
RECT rect;
struct P {int x,y;};
struct T {
struct P a,b,c;
} t1,t2;
char s[10];
hbrush=CreateSolidBrush((COLORREF)0x00FFFFFF);
n=1;
while (1) {
t1.a.x=5+rand()%296;
t1.a.y=5+rand()%296;
t1.b.x=5+rand()%296;
t1.b.y=5+rand()%296;
t1.c.x=5+rand()%296;
t1.c.y=5+rand()%296;
//TODO:确定三点能构成三角形（任意两边长度之和大于第三边长度）
//TODO:三点的顺序按逆时针顺序排列
t2.a.x=5+rand()%296;
t2.a.y=5+rand()%296;
t2.b.x=5+rand()%296;
t2.b.y=5+rand()%296;
t2.c.x=5+rand()%296;
t2.c.y=5+rand()%296;
//TODO:确定三点能构成三角形（任意两边长度之和大于第三边长度）
//TODO:三点的顺序按逆时针顺序排列
//判断两个三角形的位置关系：分离、包含、重合（顶点、边）、相交。包含时计算小三角形面积。相交时求出相交部分，并划分为最多四个小三角形求它们的面积和。
sprintf(s,"%d",n);
TextOut(hdc,10,10,s,strlen(s));
MoveToEx(hdc,t1.a.x,t1.a.y,NULL);
LineTo(hdc,t1.b.x,t1.b.y);
LineTo(hdc,t1.c.x,t1.c.y);
LineTo(hdc,t1.a.x,t1.a.y);
MoveToEx(hdc,t2.a.x,t2.a.y,NULL);
LineTo(hdc,t2.b.x,t2.b.y);
LineTo(hdc,t2.c.x,t2.c.y);
LineTo(hdc,t2.a.x,t2.a.y);
k=getch();
if (k==27) break;
n++;
rect.left=0;
rect.top=0;
rect.right=300;
rect.bottom=300;
FillRect(hdc, &rect, hbrush);
}
DeleteObject(hbrush);
}
int main() {
HWND hwnd;
srand(time(NULL));
system("color F0");
system("cls");
HideTheCursor();
hwnd = GetConsoleWindow();
hdc = GetDC(hwnd);
Area_of_intersected_triangle();
ReleaseDC(hwnd,hdc);
system("color 07");
system("cls");
ShowTheCursor();
return 0;
}
[解决办法]http://msdn.microsoft.com/en-us/library/windows/desktop/ms683175(v=vs.85).aspx
[解决办法]赵老师不是我说你,你这干啥呢?
搞笑呢
这框架有用么?人家要的是具体算法的流程,你直接把todo里的给他不就行了?非要给个可执行代码,人家不做windows编程看这有用?
